EP0789936A4 - Verfahren zum strangpressen eines supraleitenden stabes - Google Patents

Verfahren zum strangpressen eines supraleitenden stabes

Info

Publication number
EP0789936A4
EP0789936A4 EP95937678A EP95937678A EP0789936A4 EP 0789936 A4 EP0789936 A4 EP 0789936A4 EP 95937678 A EP95937678 A EP 95937678A EP 95937678 A EP95937678 A EP 95937678A EP 0789936 A4 EP0789936 A4 EP 0789936A4
Authority
EP
European Patent Office
Prior art keywords
billet
annular ring
nose piece
ram
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95937678A
Other languages
English (en)
French (fr)
Other versions
EP0789936A1 (de
EP0789936B1 (de
Inventor
Peter Valaris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IGC/Advanced Superconductors Inc
Original Assignee
IGC/Advanced Superconductors Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IGC/Advanced Superconductors Inc filed Critical IGC/Advanced Superconductors Inc
Publication of EP0789936A1 publication Critical patent/EP0789936A1/de
Publication of EP0789936A4 publication Critical patent/EP0789936A4/de
Application granted granted Critical
Publication of EP0789936B1 publication Critical patent/EP0789936B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00Superconducting devices
    • H10N60/01Manufacture or treatment
    • H10N60/0156Manufacture or treatment of devices comprising Nb or an alloy of Nb with one or more of the elements of group IVB, e.g. titanium, zirconium or hafnium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00Superconductor technology: apparatus, material, process
    • Y10S505/825Apparatus per se, device per se, or process of making or operating same
    • Y10S505/917Mechanically manufacturing superconductor
    • Y10S505/928Metal deforming
    • Y10S505/929Metal deforming by extruding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49014Superconductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Metal Extraction Processes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
EP95937678A 1994-10-31 1995-10-30 Verfahren zum strangpressen eines supraleitenden stabes Expired - Lifetime EP0789936B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US332250 1994-10-31
US08/332,250 US5475915A (en) 1994-10-31 1994-10-31 Method for increasing extrusion yield in forming a superconducting rod
PCT/US1995/014068 WO1996013867A1 (en) 1994-10-31 1995-10-30 Method of extruding a superconducting rod

Publications (3)

Publication Number Publication Date
EP0789936A1 EP0789936A1 (de) 1997-08-20
EP0789936A4 true EP0789936A4 (de) 1999-03-31
EP0789936B1 EP0789936B1 (de) 2001-08-22

Family

ID=23297405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95937678A Expired - Lifetime EP0789936B1 (de) 1994-10-31 1995-10-30 Verfahren zum strangpressen eines supraleitenden stabes

Country Status (6)

Country Link
US (1) US5475915A (de)
EP (1) EP0789936B1 (de)
AT (1) ATE204679T1 (de)
DE (1) DE69522337T2 (de)
FI (1) FI971805A7 (de)
WO (1) WO1996013867A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7752734B2 (en) * 2005-11-08 2010-07-13 Supramagnetics, Inc. Method for manufacturing superconductors
DE102006045234B3 (de) * 2006-09-26 2008-03-06 Wieland-Werke Ag Pressbolzen oder Pressblock und Verfahren zum Erwärmen eines Pressbolzens oder Pressblocks in einem Stoßofen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471925A (en) * 1965-11-17 1969-10-14 Avco Corp Composite superconductive conductor and method of manufacture
NL132696C (de) * 1966-05-20
GB1170645A (en) * 1967-09-28 1969-11-12 Imp Metal Ind Kynoch Ltd Improvements relating to Electrical Conductors
CH482325A (de) * 1968-04-05 1969-11-30 Bbc Brown Boveri & Cie Verfahren zur Herstellung von supraleitenden metallischen Leitern
BE755928A (fr) * 1969-09-10 1971-02-15 Whittaker Corp Procede de fabrication de supraconducteurs
US3837066A (en) * 1973-02-14 1974-09-24 Atomic Energy Commission Method of extruding aluminum coated nb-ti
US5116429A (en) * 1990-05-17 1992-05-26 Composite Materials Technology, Inc. Superconducting wire
JPH04129105A (ja) * 1990-09-19 1992-04-30 Furukawa Electric Co Ltd:The 銅安定化極細多芯超電導線の製造方法
JPH04259709A (ja) * 1991-02-12 1992-09-16 Furukawa Electric Co Ltd:The 超電導線の製造方法
JPH04292811A (ja) * 1991-03-20 1992-10-16 Sumitomo Electric Ind Ltd 酸化物超電導線の製造方法
JPH04306512A (ja) * 1991-04-02 1992-10-29 Furukawa Electric Co Ltd:The 複合超電導線およびその製造方法
JPH0576926A (ja) * 1991-07-22 1993-03-30 Furukawa Electric Co Ltd:The 押出用超電導複合ビレツト
JPH05307917A (ja) * 1992-04-28 1993-11-19 Furukawa Electric Co Ltd:The 超電導線の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
WO1996013867A1 (en) 1996-05-09
DE69522337D1 (de) 2001-09-27
EP0789936A1 (de) 1997-08-20
FI971805L (fi) 1997-06-25
FI971805A7 (fi) 1997-06-25
US5475915A (en) 1995-12-19
DE69522337T2 (de) 2002-01-03
EP0789936B1 (de) 2001-08-22
ATE204679T1 (de) 2001-09-15
FI971805A0 (fi) 1997-04-28

Similar Documents

Publication Publication Date Title
CA2079497A1 (en) Hand riveting tool
US5490408A (en) Method of and apparatus for extruding a billet of a light metal alloy
DE69522337D1 (de) Verfahren zum strangpressen eines supraleitenden stabes
GB938521A (en) A method for the indirect extrusion of metal and means for carrying out the method
GB1146151A (en) Extrusion method and apparatus
NO20011682L (no) Apparat og fremgangsmåte for fremstilling av "double ended upset pipe"
GB1117998A (en) Apparatus for extruding a relatively soft metal sheath onto a hard metal wire
US3580038A (en) Extrusion mandrel and method
JPS574347A (en) Method and device for manufacturing pipe of pipe punching machine
SU645721A1 (ru) Способ прессовани изделий
US3977226A (en) Sealing device for indirect extrusion die
FR2380831A1 (fr) Appareil a former des emboitures
SU956124A1 (ru) Способ гидромеханического прессовани полых изделий
SU616009A1 (ru) Толкатель дл редуцировани труб
RU2113302C1 (ru) Способ получения толстостенных труб сложного внутреннего профиля волочением и устройство для его осуществления
JPS5722814A (en) Extruding method for aluminum shape material and coupling pin of billet for extrusion
GB796634A (en) Improvements in or relating to the extrusion of metal
SU1013097A1 (ru) Способ прессовани трубчатых изделий из порошка и устройство дл его осуществлени
JPS5483652A (en) Manufacture of deformed parts
JPS5478354A (en) Cold forming method for elbow
SU1637896A1 (ru) Инструмент дл армировани прессованных труб с утолщени ми
US3234771A (en) Method for forming small articles
SU753504A1 (ru) Способ продольной прошивки
GB593926A (en) Improvements in presses for the extrusion of metal
RU2123900C1 (ru) Способ прессования труб на жесткой оправке и устройство для его осуществления

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19970524

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

Effective date: 19990216

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 19990630

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20010822

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20010822

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20010822

REF Corresponds to:

Ref document number: 204679

Country of ref document: AT

Date of ref document: 20010915

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: RIEDERER HASLER & PARTNER PATENTANWAELTE AG

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69522337

Country of ref document: DE

Date of ref document: 20010927

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20011018

Year of fee payment: 7

Ref country code: GB

Payment date: 20011018

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: MC

Payment date: 20011019

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20011022

Year of fee payment: 7

Ref country code: CH

Payment date: 20011022

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: LU

Payment date: 20011024

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20011026

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IE

Payment date: 20011030

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20011108

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20011116

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20011122

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20011122

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20011122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20011123

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

ET Fr: translation filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020228

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021030

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021030

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021030

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021031

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030501

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee
REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051030

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20080930

Year of fee payment: 14

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091102

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20141024

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69522337

Country of ref document: DE